22210201002120 has 128 divisors (see below), whose sum is σ = 72033084604800. Its totient is φ = 5459349528576.

The previous prime is 22210201002007. The next prime is 22210201002127. The reversal of 22210201002120 is 2120010201222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22210201002120.

It is not an unprimeable number, because it can be changed into a prime (22210201002127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131555049 + ... + 131723768.

It is an arithmetic number, because the mean of its divisors is an integer number (562758473475).

Almost surely, 2^{22210201002120} is an apocalyptic number.

22210201002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210201002120 is an abundant number, since it is smaller than the sum of its proper divisors (49822883602680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22210201002120 is a wasteful number, since it uses less digits than its factorization.

22210201002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263278887 (or 263278883 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22210201002120 its reverse (2120010201222), we get a palindrome (24330211203342).

The spelling of 22210201002120 in words is "twenty-two trillion, two hundred ten billion, two hundred one million, two thousand, one hundred twenty".